Wordnet 3.0
NOUN (1)
1.
a pesticide or drug containing arsenic;
ADJECTIVE (1)
1.
relating to or containing arsenic;
- Example: "arsenic vapor"
The Collaborative International Dictionary of English v.0.48:
Arsenical \Ar*sen"ic*al\, a.
Of or pertaining to, or containing, arsenic; as, arsenical
vapor; arsenical wall papers.
[1913 Webster]
Arsenical silver, an ore of silver containing arsenic.
[1913 Webster]
WordNet (r) 3.0 (2006):
arsenical
adj 1: relating to or containing arsenic; "arsenic vapor"
n 1: a pesticide or drug containing arsenic